0.1(x+10)-0.07(x-20)=0.6

Solution for 0.1(x+10)-0.07(x-20)=0.6 equation:

0.1(x+10)-0.07(x-20)=0.6

We simplify the equation to the form, which is simple to understand 
0.1(x+10)-0.07(x-20)=0.6

Reorder the terms in parentheses
+( + 0.1x+1)-0.07*(x-20)=0.6

Remove unnecessary parentheses
 + 0.1x+1-0.07+*(+x-20+)=0.6

Reorder the terms in parentheses
 + 0.1x+1+(-0.07x+1.4)=0.6

Remove unnecessary parentheses
 + 0.1x+1-0.07x+1.4=0.6

We move all terms containing x to the left and all other terms to the right. 
 + 0.1x-0.07x=0.6-1-1.4

We simplify left and right side of the equation. 
 + 0.03x=-1.8

We divide both sides of the equation by 0.03 to get x. 
x=-60